Examine source code of Total Recall

{
  "manifest_version": 2,
  "name": "Total Recall",
  "version": "0.1.4",
  "description": "Bookmarks & Quicklaunch for power-users",
  "author": "Erez Shinan",
  "homepage_url": "https://github.com/erezsh/TotalRecall/",
  "permissions": [
    "tabs",
    "https://totalrecall.erezsh.com/"
  ],
  "optional_permissions": [
    "bookmarks"
  ],
  "browser_action": {
    "browser_style": true,
    "default_icon": {
      "16": "images/star-h-16.png",
      "32": "images/star-h-32.png",
      "48": "images/star-h-48.png",
      "128": "images/star-h-128.png"
    },
    "default_title": "Mark for easy find",
    "default_popup": "edit.html"
  },
  "icons": {
    "16": "images/star-16.png",
    "32": "images/star-32.png",
    "48": "images/star-48.png",
    "128": "images/star-128.png"
  },
  "background": {
    "scripts": [
      "build/background.js"
    ],
    "persistent": true
  },
  "options_ui": {
    "page": "conf.html",
    "browser_style": true
  },
  "commands": {
    "add_bookmark": {
      "suggested_key": {
        "default": "Ctrl+Shift+F"
      },
      "description": "Find bookmarks"
    },
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+Period"
      },
      "description": "Bookmark current page"
    }
  }
}